strdup.c

/* Copyright (C) 1991, 1996, 1997, 1998, 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */#ifndef _LIBC# include <config.h>#endif/* Get specification. */#include <string.h>#include <stdlib.h>#undef __strdup#ifdef _LIBC# undef strdup#endif#ifndef weak_alias# define __strdup strdup#endif/* Duplicate S, returning an identical malloc'd string. */char *
__strdup (constchar *s)
{
size_t len = strlen (s) + 1;
void *new = malloc (len);
if (new == NULL)
return NULL;
return (char *) memcpy (new, s, len);
}
#ifdef libc_hidden_deflibc_hidden_def (__strdup)
#endif#ifdef weak_aliasweak_alias (__strdup, strdup)
#endif